I Built 3 Developer APIs with $0 Hosting — Here's How

I Built 3 Developer APIs with $0 Hosting — Here's How

I wanted to see if I could build and monetize useful developer APIs with literally zero hosting costs. Here's what I built and how it works.

The APIs

SEO Analyzer — Analyze any webpage's SEO in real-time. Title, meta, headings, images, OG tags, word count, scored 0-100.

QR Code Generator — Customizable QR codes with colors, sizes, margins. Returns PNG.